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comparison src/share/vm/services/memTracker.cpp @ 10355:fb14e9ed1594

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8011064: Some tests have failed with SIGSEGV on arm-hflt on build b82 Summary: NMT_detail is only supported when frame pointers are not omitted (-fno-omit-frame-pointer). Reviewed-by: dholmes, cjplummer
author jprovino
date Tue, 28 May 2013 11:32:46 -0400
parents fbca7eaeac2e
children 1f4355cee9a2 16b10327b00d
comparison
equal deleted inserted replaced
10339:194b27b865bc 10355:fb14e9ed1594
32 #include "runtime/vm_operations.hpp" 32 #include "runtime/vm_operations.hpp"
33 #include "services/memPtr.hpp" 33 #include "services/memPtr.hpp"
34 #include "services/memReporter.hpp" 34 #include "services/memReporter.hpp"
35 #include "services/memTracker.hpp" 35 #include "services/memTracker.hpp"
36 #include "utilities/decoder.hpp" 36 #include "utilities/decoder.hpp"
37 #include "utilities/defaultStream.hpp"
37 #include "utilities/globalDefinitions.hpp" 38 #include "utilities/globalDefinitions.hpp"
38 39
39 bool NMT_track_callsite = false; 40 bool NMT_track_callsite = false;
40 41
41 // walk all 'known' threads at NMT sync point, and collect their recorders 42 // walk all 'known' threads at NMT sync point, and collect their recorders
75 void MemTracker::init_tracking_options(const char* option_line) { 76 void MemTracker::init_tracking_options(const char* option_line) {
76 _tracking_level = NMT_off; 77 _tracking_level = NMT_off;
77 if (strcmp(option_line, "=summary") == 0) { 78 if (strcmp(option_line, "=summary") == 0) {
78 _tracking_level = NMT_summary; 79 _tracking_level = NMT_summary;
79 } else if (strcmp(option_line, "=detail") == 0) { 80 } else if (strcmp(option_line, "=detail") == 0) {
80 _tracking_level = NMT_detail; 81 // detail relies on a stack-walking ability that may not
82 // be available depending on platform and/or compiler flags
83 if (PLATFORM_NMT_DETAIL_SUPPORTED) {
84 _tracking_level = NMT_detail;
85 } else {
86 jio_fprintf(defaultStream::error_stream(),
87 "NMT detail is not supported on this platform. Using NMT summary instead.");
88 _tracking_level = NMT_summary;
89 }
81 } else if (strcmp(option_line, "=off") != 0) { 90 } else if (strcmp(option_line, "=off") != 0) {
82 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); 91 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL);
83 } 92 }
84 } 93 }
85 94